Table 4.
Demographics and Comorbidities of the Propensity Matched Cohort After Laparoscopic Roux-en-Y Gastric Bypass
| Total (n = 9896) | Men (n = 4961) | Women (n = 4935) | p-value | |
|---|---|---|---|---|
| BMI 30 – 39 | 1157 (11.69%) | 578 (11.65%) | 579 (11.73%) | 0.89 |
| BMI 40 – 49 | 4445 (44.92%) | 2232 (44.99%) | 2213 (44.84%) | 0.88 |
| BMI ≥ 50 | 3056 (30.88%) | 1525 (30.74%) | 1531 (31.02%) | 0.76 |
| Elderly (age > 65 years) | 712 (7.19%) | 360 (3.64%) | 352 (7.13%) | 0.81 |
| Black | 991 (10.01%) | 500 (10.08%) | 491 (9.95%) | 0.83 |
| Native American | 15 (0.15%) | 7 (0.14%) | 8 (0.16%) | 0.79 |
| White | 7102 (71.77%) | 3552 (71.60%) | 3550 (71.94%) | 0.71 |
| Hispanic | 1005 (10.16%) | 514 (10.36%) | 491 (9.95%) | 0.5 |
| Asian | 76 (0.77%) | 46 (0.93%) | 30 (0.61%) | 0.068 |
| Smoker | 824 (8.33%) | 413 (8.32%) | 411 (8.33%) | 0.995 |
| Pacific Islander | 112 (1.13%) | 59 (1.19%) | 53 (1.07%) | 0.59 |
| Dyspnea | 1330 (13.44%) | 671 (13.53%) | 659 (13.35%) | 0.8 |
| Hypertension requiring medication | 6629 (66.99%) | 3322 (66.96%) | 3307 (67.01%) | 0.96 |
| Diabetic | 4467 (45.14%) | 2243 (45.21%) | 2224 (45.07%) | 0.88 |
| Chronic Obstructive Pulmonary Disease | 249 (2.52%) | 131 (2.64%) | 118 (2.39%) | 0.43 |
| Ascites | 2 (0.02%) | 1 (0.02%) | 1 (0.02%) | 0.997 |
| Congestive Heart Failure | 60 (0.61%) | 33 (0.67%) | 27 (0.55%) | 0.45 |
| Acute Renal Failure | 2 (0.02%) | 1 (0.02%) | 1 (0.02%) | 0.997 |
| Currently on Dialysis | 26 (0.26%) | 15 (0.30%) | 11 (0.22%) | 0.44 |
| Disseminated Cancer | 10 (0.10%) | 7 (0.14%) | 3 (0.06%) | 0.21 |
| Open Wound Infection | 61 (0.62%) | 36 (0.73%) | 25 (0.51%) | 0.16 |
| Steroid Use (for chronic condition) | 108 (1.09%) | 58 (1.17%) | 50 (1.01%) | 0.46 |
| >10% body weight loss | 19 (0.19%) | 12 (0.24%) | 7 (0.14%) | 0.26 |
| Bleeding Disorder | 124 (1.25%) | 69 (1.39%) | 55 (1.11%) | 0.22 |
| Pre-operative Blood Transfusion | 4 (0.04%) | 3 (0.06%) | 1 (0.02%) | 0.32 |
BMI, body mass index in kg/m2; Smoker, current smoker within one year; Diabetic, diabetes mellitus requiring therapy with non-insulin agents or insulin; Ascites, ascites within 30 days prior to surgery; History of congestive heart failure within 30 days prior surgery; >10% body weight loss, greater than 10% loss in body weight in last 6 months; Pre-operative Blood Transfusion, pre-operative transfusion of greater than or equal to 1 unit of whole/packed red blood cells in 72 h prior to surgery.